Drop obsolete custom query.

We have no "Info Needed" anymore.

wiki/src/contribute/working_together/roles/ticket_gardener.mdwn

@@ -12,9 +12,6 @@ This work should be done twice per year.
 
 Use existing Redmine views:
 
-* [Confirmed & Info Needed](https://redmine.tails.boum.org/code/projects/tails/issues?query_id=254):
-  go through each ticket and ensure metadata reflects the current status.
-
 * ["Wait" type of work](https://redmine.tails.boum.org/code/projects/tails/issues?query_id=314):
   check if what was blocking was eventually resolved outside of Tails.
   Tickets should either have an assignee, their type of work